The semicircles are congruent to one another with a diameter of 6 inches. What is the perimeter of the sign?
Answer about 57 inches
about 116 inches
about 137 inches
about 160 inches

Question

The semicircles are congruent to one another with a diameter of 6 inches. What is the perimeter of the sign?
Answer    about 57 inches 
   about 116 inches 
   about 137 inches 
   about 160 inches

anonymous · Answer

attachment

callisto · Answer

perimeter = 2 (pi) r x1/2 x6 +40x2 =56.55 + 80 = 137

anonymous · Answer

Gotcha! thanks I got the same answrer!

anonymous · Answer

A wall clock is 12 inches in diameter. The clock has twelve equally spaced numbers. What is the distance around the edge of the clock from 3 to 6?
Is this 3pi?

callisto · Answer

radius = 12/2 = 6 inches
distance = 2x6xpi x1/4 = 3pi inches

anonymous · Answer

so it is right! thanks!